Molex Glow Wire Capable Connectors. Glow Wire capable connectors in many popular styles to meet all safety and environmental requirements mandated by the Home Appliance industry. Glow Wire capable testing (compliance statement) became a mandatory requirement in 2001 for certain home appliances sold in Europe.
  It can take up to 3 weeks for the area to heal. That is if you mean to heal from the surgical neutering. Some dogs heal faster than others in a week or 2.
The only time an animal may be advised not to spay/neuter is after pre-anesthetic bloodwork is performed to check kidney and liver functions. Sometimes a 10+ year old dog can not be a candidate for surgery due to potential complications, however, this is rare. Ideally dogs should be neutered between 5-6 months of age.